Project 1 — Design and perform an experiment

Last updated at July 20, 2026 by

Project 1
Design and perform an experiment to show and compare that water always contains hydrogen and oxygen in the same ratio, regardless of its source.
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Collect water from different sources (tap, rain, filtered). By electrolysis, collect the hydrogen and oxygen gases and compare their volume/mass ratio. In each case the ratio stays the same, showing the Law of Constant Proportions.

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